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Finding the Fourth Proportional to 23,489.79, 35,201.73 and 10,980.15

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Solution

The fourth proportional to 23,489.79, 35,201.73 and 10,980.15 is: 16,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.79 : 35,201.73 = 10,980.15 : x
  2. Step 2: Convert to fraction form
    23,489.79/35,201.73 = 10,980.15/x
  3. Step 3: Cross multiply
    23,489.79x = 35,201.73 × 10,980.15
  4. Step 4: Simplify right side
    23,489.79x = 386,520,275.66
  5. Step 5: Solve for x
    x = 386,520,275.66/23,489.79
  6. Step 6: Final answer
    x = 16,454.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.